Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark Flannery, DC

Individual provider Nutrition Chiropractor · NPI 1902076482

Dr. Mark Flannery, DC is a Nutrition Chiropractor in Simi Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

1919 Williams St Ste 250
Simi Valley, CA 93065-2859
Phone: (805) 991-7455
Fax: (805) 991-7466
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nutrition Chiropractor (primary) Taxonomy 111NN1001X · Licence 30513 (CA)

Record details

NPI number1902076482
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedMarch 11, 2008
Last updated in NPPESMarch 11, 2008
Mailing address1919 Williams St, Suite 250, Simi Valley, CA 93065-2859